10 things to know about conjoined twins

Conjoined twins are identical twins who are physically connected at birth.

This rare phenomenon occurs when the fertilized egg fails to separate completely during the early stages of development.

As a result, the twins may share some organs and/or tissues. The degree of connection can vary greatly, ranging from a small amount of skin or tissue to more complex connections involving vital organs.

Here are ten things to know about conjoined twins:

1. DEFINITION

Conjoined twins are identical twins who are physically connected to each other at birth.

2. TYPES

Conjoined twins are classified based on where they are joined. The most common types include:

Thoracopagus (joined at the chest)

Omphalopagus (joined at the abdomen)

Craniopagus (joined at the head)

Pygopagus (joined at the pelvis).

3. RARE

Conjoined twins are extremely rare, occurring in about 1 in every 200,000 live births, with only about 1% surviving to be born.

4. CAUSES

The exact cause of conjoined twinning is not fully understood, but it is believed to occur early in embryonic development when the fertilized egg fails to separate completely.

5. CHALLENGES

Conjoined twins often face numerous medical challenges, including shared organs, circulatory systems, and skeletal structures, which can complicate separation surgeries.

6. TREATMENT

The treatment for conjoined twins depends on their specific anatomy and medical conditions. In some cases, separation surgery may be possible, but it is complex and carries significant risks.

7. PSYCHOLOGICAL IMPACT

Conjoined twins may face unique psychological challenges, including issues related to identity, privacy, and individuality.

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8. SUPPORT

Conjoined twins and their families often receive support from medical professionals, support groups, and organizations specialising in their care.

9. FAMOUS CASES

There have been several notable cases of conjoined twins throughout history, including Chang and Eng Bunker (the original “Siamese twins”) and Abby and Brittany Hensel, who have gained media attention for their lives as conjoined twins.

10. LEGAL AND ETHICAL ISSUES

Conjoined twins raise complex legal and ethical questions, particularly regarding medical decision-making and the rights of each individual twin.

Understanding and supporting conjoined twins requires sensitivity, specialized medical care, and recognition of their unique needs and challenges.